Here are the latest iPhone/iPod touch/iPod/iPad apps announced. You can find ’em at the Apple App Store (http://www.itunes.com/appstore/).

Barnes & Noble, the world’s largest bookseller, has announced its free BN eReader app for the iPad, offering personalized eReading experience for the Apple tablet. BN eReader for iPad users can customize the way they read with professionally designed or completely personalized themes, shop more than one million eBooks, newspapers and magazines in the Barnes & Noble eBookstore, and access their personal Barnes & Noble digital library, including most periodicals. BN eReader for iPad is the only eReading app that offers eBook sharing with friends.

Namco Networks has released Issac Newton’s Gravity HD for the iPad. In the game, players must arrange the various objects to hit the trigger and win. If a player is stumped on one of the 105 brain teasing levels, Isaac Newton himself is available providing hints and tips. The level editor provides never-ending physics fun as fans can create, upload and access user-created levels in the Online Community. The first five levels of the game are free.

MobilEaZe has introduced MatchGame 1.0 for the iPad. It’s a $3.99 memory match app with three different game play modes.

Dynadel has rolled out Ovulation Calendar 1.0, a new version of the original “Ovulation Calendar” for iPhone and iPod touch, now with full support for the iPad. The $4.99 app, renamed “Days” for the iPad version, helps you determine your fertile days of the month, so you can either achieve or avoid pregnancy. It also maintains a list of your symptoms during the cycle, your BBT chart and your weight chart among other features.

U.S. Supreme Court multi-media web site Oyez, in collaboration with the legal portal Justia, has launched the free iPhone application PocketJustice (http://go.justia.com/pj2). It provides hours of audio of the U.S. Supreme Court’s groundbreaking cases. From their iPhones, users can now listen to Supreme Court nominee Elena Kagan argue her first case as Solicitor General in “Citizens United v. FEC,” or hear the questions of the Justices during oral arguments of such landmark cases as “Bush v. Gore” and “Roe vs. Wade.”

Mariner Software, developers and publishers of professional and personal software, has released Mariner Calc 3.0. Highlighted in this version are productivity and lifestyle templates which include Class Schedule, Gas Mileage Calculator, Home Inventory, Monthly Budget, Time Sheet and more. All the new features in Mariner Calc 3.0 are compatible with the iPhone, iPod Touch and the iPad. Mariner Calc is now available for purchase from the App Store for $4.99. It is a free upgrade for all Mariner Calc customers who have purchased 2.X

Athos Consulting has unleashed Toy Physics 1.0.1 for the iPhone, iPad and iPod touch. In the $1.99 you must put away your toys.They fall, bounce, pile up and fly all over the place as they interact with a variety of physics surprises. All you have to do is draw a line and guide the ragdolls, marbles, jacks, blocks and other toys into the toy crates.

Tellini is offering Wiz Solitaire 1.0 for the iPad. It’s a $1.99 app that includes games such as Klondike, Free Cell, and Spider.

Paperless governance market leader BoardDocs (http://www.boarddocs.com) says its BoardDocs Pro and BoardDocs LT solutions are now supported on the iPad. This support provides BoardDocs users with a way to access BoardDocs SaaS offerings.

WaveMachine Labs has announced Voice Band 1.2, an update to the $2.99 app for the iPhone and iPad. Voice Band turns your voice into a musical instrument, allowing you to create complete songs by singing a melody into your iPhone. A built-in recorder lets you create songs one instrument at a time. Version 1.2 includes new features and improvements, and fixes an occasional bug when saving/emailing finished songs.